Worthy of praise from every mouth,
worthy of confession from every tongue,
worthy of worship from every creature,
is your glorious name, O Father, Son, and Holy Spirit.
For you created the world in your grace,
and by your compassion you saved the world.
To your majesty, O God,
ten thousand times ten thousand bow down and adore,
singing and praising without ceasing, and saying:
Holy, holy, holy, Lord God of hosts;
heaven and earth are full of your praises.
Hosanna in the highest.
Source: Nestorian Liturgy, Fifth Century
Source of this version: http://re-worship.blogspot.com/2012/05/traditional-litany-for-trinity-sunday.html
Also found here: http://www.beswick.info/rclresources/TSC9598OS.htm